 #root {
   height: 100%;
   overflow: hidden;
 }


 //  自定义滚动条
 .useScroll {
   &::-webkit-scrollbar {
     /*滚动条整体样式*/
     width: 10px;
     /*高宽分别对应横竖滚动条的尺寸*/
    //  height: 1px;
   }

   &::-webkit-scrollbar-thumb {
     /*滚动条里面小方块*/
     border-radius: 10px;
     box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
     background-color: skyblue;
     background-image: linear-gradient(45deg,
         rgba(255, 255, 255, 0.2) 25%,
         transparent 25%,
         transparent 50%,
         rgba(255, 255, 255, 0.2) 50%,
         rgba(255, 255, 255, 0.2) 75%,
         transparent 75%,
         transparent);
   }

   &::-webkit-scrollbar-track {
     /*滚动条里面轨道*/
    //  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
     border-radius: 10px;
    //  background: #ededed;
    background-color: transparent;
   }
 }